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54SXxx

Part Number 54SXxx
Manufacturer Actel
Description General Purpose SDRAM Controller
Published Sep 14, 2005
Detailed Description v2.0 General-Purpose SDRAM Controller SD R A M Co n t r o l l er Fu nc t i o na l D es cr i p t i o n The general-purp...
Datasheet 54SXxx




Overview
v2.
0 General-Purpose SDRAM Controller SD R A M Co n t r o l l er Fu nc t i o na l D es cr i p t i o n The general-purpose SDRAM controller is designed to provide simplified control of many different sizes of SDRAMs.
The controller architecture provides control for data bursts by linearly incrementing the address.
The user starts a burst at a specified address and the burst continues until the user terminates it.
SD R A M Co n t r o l l er Si g na l s CLK RESET_N ACTIVATE WR_CYC ADDR CYC_DONE WR_BE_DONE RD_BE_DONE RD_BE_RDY WR_BE_RDY MADDR CSn RASn CASn WEn BA DQM CKE The SDRAM controller communicates with a user’s functions and drives the control signals into the SDRAM.
When the control...






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